package com.xiaolanshu.template;


import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.xiaolanshu.properties.OssProperties;

import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

public class OssTemplate {

    private OssProperties ossProperties;
    public OssTemplate(OssProperties ossProperties){
        this.ossProperties = ossProperties;
    }

    /**
     * 文件上传
     * @return
     * @throws Exception
     */
    public String upload(String filename, InputStream inputStream) throws Exception {


        filename = new SimpleDateFormat("yyyy/MM/dd").format(new Date())
                + "/"+ UUID.randomUUID().toString()+filename.substring(filename.lastIndexOf("."));


        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = ossProperties.getEndpoint();
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = ossProperties.getAccessKey();
        String accessKeySecret = ossProperties.getSecret();
        // 填写Bucket名称，例如examplebucket。
        String bucketName = ossProperties.getBucketName();
        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        // String objectName = "exampledir/exampleobject.txt";


        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            // 填写Byte数组。
            //byte[] content = filename.getBytes();
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, filename, inputStream);
            // 设置该属性可以返回response。如果不设置，则返回的response为空。
            putObjectRequest.setProcess("true");

            // 创建PutObject请求。
            PutObjectResult result = ossClient.putObject(putObjectRequest);
            // 如果上传成功，则返回200。
            System.out.println(result.getResponse().getStatusCode());
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        String url = ossProperties.getUrl()+"/"+filename;
        return url;
    }

}
